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<html lang="en">
<head>
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    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <script src="./vue-2.5.js"></script>
</head>
<body>
    <div id="app">
        <child-component></child-component>
    </div>
    <script>
    Vue.component('child-component',function(resolve, reject){
        window.setTimeout(function() {
            resolve({
                template:`
                <div>异步渲染</div>
                `
            },500)
        })
    })

    let app= new Vue({
        el:'#app',

    })
    </script>
</body>
</html>